H04N 5/59
In dependence upon beam current of cathode ray tube
Official title: in dependence upon beam current of cathode ray tube
H04N5/59 (In dependence upon beam current of cathode ray tube) appears on 87 US grants and 11 published applications in this corpus.
Search patents in H04N- Granted patents
- 87
- Published applications
- 11
- Assignees
- 38
- Inventors
- 116
- Latest grant
- 2 Oct 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 0 |
| 2002 | 6 | 8 |
| 2003 | 6 | 2 |
| 2004 | 3 | 0 |
| 2005 | 4 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Video display signal brightness control circuit2 Oct 2007US 7,277,135 B1National Semiconductor Corporation
- Circuit for stabilizing high tension voltage of CRT, and method thereof6 Mar 2007US 7,187,414 B2Samsung Electronics Co., Ltd.
- Beam current limiting circuit for use in a video projector30 Aug 2005US 6,937,288 B2Mitsubishi Denki Kabushiki Kaisha
- Circuit for combining AKB and selective beam current limiting and projection television system utilizing same24 May 2005US 6,897,901 B2Koninklijke Philips Electronics N. V.
- Cutoff control with on screen display circuit for adjusting white balance10 May 2005US 6,891,564 B2Sony Corporation
- Mobile terminal and method for displaying on a mobile terminal2 Dec 2010US 2010/0304787 A1
- Cutoff control with on screen display circuit for adjusting white balance5 Jun 2003US 2003/0103143 A1Sony Corporation
- Circuit for stabilizing high tension voltage of CRT, and method thereof20 Mar 2003US 2003/0052545 A1Samsung Electronics Co., Ltd.
- Circuit for combining AKB and selective beam current limiting and projection television system utilizing same19 Sep 2002US 2002/0130965 A1Koninlijke Philips Electronics N.V.
- Automatic beam limiter circuit19 Sep 2002US 2002/0130966 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Video signal processor for controlling the brightness and contrast of a display device175US 5,504,538 AMatsushita Electric Industrial Co., Ltd. · 1996
- Image display device110US 6,400,418 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- Drive circuit for a cathode ray tube51US 5,604,404 ASony Corporation · 1997
- Projector48US 5,379,083 ARaychem Corporation · 1995
- Multi-window picture adjustment arrangement for a video display23US 6,556,253 B1Thomson Licensing · 2003